Home / 7,655.80-11,487.18-4,541.92

Finding the Fourth Proportional to 7,655.80, 11,487.18 and 4,541.92

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Solution

The fourth proportional to 7,655.80, 11,487.18 and 4,541.92 is: 6,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.80 : 11,487.18 = 4,541.92 : x
  2. Step 2: Convert to fraction form
    7,655.80/11,487.18 = 4,541.92/x
  3. Step 3: Cross multiply
    7,655.80x = 11,487.18 × 4,541.92
  4. Step 4: Simplify right side
    7,655.80x = 52,173,852.59
  5. Step 5: Solve for x
    x = 52,173,852.59/7,655.80
  6. Step 6: Final answer
    x = 6,814.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.